Geo-Jeff International Limited is a Port Harcourt-based industrial procurement and engineering services firm that supplies valves and actuation, automation and control equipment, process and measurement solutions, and electrical and instrumentation materials to clients in the oil and gas, power and water industries; the company publishes a Rivers State D/Line mailing address and maintains a customer hotline and email for urgent after-hours requests so that project teams can obtain fast turnarounds on parts and support across the Niger Delta.